The invention relates to an allergen remover composition containing component (a): an organic compound forming an azeotropic mixture with water and having an azeotropic point of lower than 100.degree. C. with water at 1013.25 hPa, component (b): a component which upon evaporation of a liquid component in the allergen remover, forms a solid containing a compound represented by the following general formula (1) or component (b'): a combination of potassium ion, sodium ion and sulfate ion at a potassium ion/sodium ion molar ratio of from 2/8 to 9/1 and component (c): water. K.sub.xNa.sub.y(SO.sub.4).sub.2 (1) wherein x is a number of 0.8 to 3.6, y is a number of 0.4 to 3.2, and x+y is 4.